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Due to the eruption of the Mauna Loa Volcano, measurements from Mauna Loa Observatory were suspended as of Nov. 29. Observations starting in December 2022 are from a site at the Maunakea Observatories, approximately 21 miles north of the Mauna Loa Observatory.

Mauna Loa Monthly Averages

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Mauna Loa Daily, Monthly and Weekly Averages for two years

Drag slider controls left or right to change x axis scale. Drag area between slider controls to pan left or right across plot.

Hover over the graph to display values for specific dates

Display: